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NIH News in Health Features

Man taking a vision test.

Keep Your Vision Healthy: Learn About Comprehensive Dilated Eye Exams

Even if your vision seems fine, the only way to know for sure that your eyes are healthy is to get a comprehensive dilated eye exam. When you should start getting such exams depends on many factors, including your age, race, and overall health.

Illustration of a high-fiber cereal, wild rice, whole-wheat pasta and nuts.

Counting Carbs? Understanding Glycemic Index and Glycemic Load

The terms glycemic index and glycemic load are related to carbohydrates, a main type of nutrient in our diets. Learn more about complex carbs.

Illustration of an older man sitting on a park bench reading, with special glasses.

Recognizing Cataracts: Watch for Vision Changes as You Age.

A cataract is a clouding of the lens in the eye. Learn how to recognize, treat and prevent this common condition.

Recommended NIH Resources

Eye Health Information
(National Eye Institute)
Eye health information and resources for the public and professionals. Includes extensive A-Z list of eye diseases and disorders.

Diagram of the Eye
(National Eye Institute)
Diagram of the eye, showing the location of the iris, pupil, cornea, lens, vitreous, macula, sclera, optic nerve, and retina.

Common Vision Problems
(National Eye Institute)
The most common vision problems are refractive errors, more commonly known as nearsightedness, farsightedness, astigmatism and presbyopia.

Diabetic Eye Disease
(National Eye Institute)
Information on diabetic eye disease, including facts about diabetic retinopathy.

AgePage: Aging and Your Eyes
(National Institute on Aging)
Learn about your aging eyes and common eye problems, diseases, and disorders. Get tips to protect your vision and eyesight as you age.


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